Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chabu geothermal field, Chabu Township, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, Chinai
Regional Level Types
Chabu geothermal fieldGeothermal Field
Chabu TownshipTownship
Xaitongmoin Co. (Xietongmen Co.)County
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture)Prefecture
TibetAutonomous Region
ChinaCountry

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Latitude & Longitude (WGS84):
29° 45' North , 88° 24' East
Latitude & Longitude (decimal):
29.75000,88.40000
GeoHash:
G#: tvqc5xffm
GRN:
N20E55
Type:
Geothermal Field
Köppen climate type:
ET : Tundra
Mindat Locality ID:
450109
Long-form identifier:
mindat:1:2:450109:4
GUID (UUID V4):
0


The strata of the Cretaceous Chumulong Formation, the Takena Formation, and the Shexing Formation, as well as the Cenozoic magmatic rocks, are exposed in the surrounding areas. Quartz sandstone, siltstone, silty mudstone, and limestone of the Chumulong, Takena, and the Shexing Formations are distributed in the southern, eastern, and northeastern parts of the geothermal field. The temperature of the geothermal springs in the Chabu geothermal field ranges between 57.3–86.5 °C. The geysers are distributed on both banks of Cebuxiongqu, while the main intermittent geyser, where sinters are widely developed, is located on the east bank. On the west bank, only a few sinter deposits and nearly no active geysers are present. Geyserite is highly developed on the east bank of Cebuxiongqu, and is predominantly grey–yellow and grey–green. The common structures include thin layers, compact blocks, porous textures, botryoidal stxructures, and crustiform structures, as well as amorphous, cryptocrystalline, clastic, and biogenic structures.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Alkali Feldspar'
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Feldspar Group'
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ OpalSiO2 · nH2O
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

[1]Li, Ruo-Ming, Li, Yu-Bin, Yang, Chang-Jin, Zhang, Jin-Shu, Shen, Cong, Yuan, Lin, Yang, Can, Xu, Guo-Miao, Liu, Duo, Yang, Lin-Chao, et al. (2025) The Genesis of Cs-Rich Geyserite in the Chabu Geothermal Field in Southern Tibet. Minerals, 15 (1). doi:10.3390/min15010036
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